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Originally Posted by F.I. Inc.
[SIZE="3"]Question: What is the turbo configuration on this car? What stage will this be and are there any plans to test other configurations?
Answer: Garrett GTX 2867R w/Tial .86 AR (External Wastegate) I have to be honest, we were told by a lot of people that the 2867's along with the .86 AR might have lag down low. Believe me when I tell you, that is not the case. This car ramps the boost in so hard with the current setup that we have to get a boost controller on it just to delay the boost and regulate it, especially down low. We know that a big contributing factor to this is the design of the manifolds and overall efficiency of the kit. As far as what stage this is, I would call it a no stage. These 2867's are not even being utilized to half of their potential at this boost level. These turbo's will shine much better in a higher boost and horsepower application. We have no plans to step down to the "smaller" Tial .64 AR. On street tires this current setup is virtually unusable in 1st and 2nd gear. We plan on doing some dyno testing in the coming weeks by only changing to the GT28RS. This will be our "Stage 1" which will be outlined below. Here is what we currently plan to offer in terms of stages:
Stage 1: GT2860RS "aka" GT28RS w/ Tial .86 AR (Low to mid boost applications and much more affordable turbo's with non billet impellers.)
Stage 2: GTX2860 w/ Tial .86 AR
Stage 3: GTX2863 w/ Tial .86 AR
"Possibly" Stage 4: GTX2867 w/ Tial .86 AR
Every stage will come with:
-Twin Tial V-banded 38mm wastegates (Optional water cooled for you road racers.)
-Twin Tial Q Blow Off Valves.
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if i'm reading this correctly the test car has the stage 4 setup? just curious since it's only made just under 500whp so far with 7.5psi i'm interested in seeing how much they gain with higher boost. other stage 2's have made 550WHP at 9-12psi so if this is stage 4 im waiting to see the end results.